Manley NexTek Series 1.500 OD .850 Lift Super Stock and Competition Eliminator Valve Spring Set

221420-16

Features:

• Lightweight Dual Drag Race Valve Springs
• Super stock competition eliminator
• Higher natural frequency and lower active mass provides improved valvetrain control and higher RPM potential
• Dual spring design reduces friction, which generate less heat and translates into greatly reduced load loss
• Extensively tested on the Spintron, dyno and race track (including blown nitro engines) and proven highly effective
• Smaller diameter, lightweight dual design allows engine to rev higher with improved valve train control
• Accept smaller, ligher retainers which also promotes higher revs
• Ultra clean, high tensil strength chrome silicon material
• Super finished multi-step surface enhancement significantly improves fatigue strength
• Ideal loads for multiple applications with minimal load loss
• Maximum valve lift: .850
• O.D. : 1.500
• I.D. : .710
• Installed/ Open Pressure: 275@2.050 / 940@1.200
• Rate: 780
• Coil bind: 1.130
• Component code: A

Fitment: NexTek Series